From c29d018b2a1775c5a52f7243b931d8cfc29930c9 Mon Sep 17 00:00:00 2001
From: "aspire-repo-bot[bot]"
 <268009190+aspire-repo-bot[bot]@users.noreply.github.com>
Date: Fri, 12 Jun 2026 07:49:20 +0000
Subject: [PATCH] Document trace detail span pane navigation fix in Aspire 13.5
 what's new

Documents the fix for the span detail pane persisting across trace navigation
in the dashboard (microsoft/aspire#18146).

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
---
 src/frontend/src/content/docs/whats-new/aspire-13-5.mdx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/frontend/src/content/docs/whats-new/aspire-13-5.mdx b/src/frontend/src/content/docs/whats-new/aspire-13-5.mdx
index 7b785407a..f2e99486d 100644
--- a/src/frontend/src/content/docs/whats-new/aspire-13-5.mdx
+++ b/src/frontend/src/content/docs/whats-new/aspire-13-5.mdx
@@ -167,6 +167,7 @@ The Aspire CLI is now available as an npm package (`@microsoft/aspire-cli`), pro
 - **Friendly health check error messages**: Health check failures now display concise, actionable messages instead of raw exception stacks.
 - **Fixed telemetry streaming with resource filters**: Streams now wait for resources to appear before returning empty results.
 - **Fixed duplicate replica display names**: Dashboard now uses the last 8 characters of the service.instance.id GUID to prevent collisions.
+- **Trace detail span pane closes on navigation**: When navigating between traces (for example, using the browser's Back button or following a span link to another trace), the span detail pane now correctly closes instead of persisting with a stale span from the previous trace. If the destination URL includes a `?spanId=` query parameter, the correct span is automatically re-opened.
 
 ## 🧩 VS Code extension enhancements